When I try to enter more than 2 characters in the searchbar, the app crashes. Tried changing the logic but no use. The problem might be with the whitespaces. Here is my sample code:When I try to enter more than 2 characters in t
阅读背景：
应用程序在Swift 4的搜索栏中搜索超过2个单词时崩溃
来源：互联网
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